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PDF 82C84 Data sheet ( Hoja de datos )

Número de pieza 82C84
Descripción CMOS Clock Generator Driver
Fabricantes Intersil Corporation 
Logotipo Intersil Corporation Logotipo



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82C84A
March 1997
CMOS Clock Generator Driver
Features
Description
• Generates the System Clock For CMOS or NMOS
Microprocessors
• Up to 25MHz Operation
• Uses a Parallel Mode Crystal Circuit or External
Frequency Source
• Provides Ready Synchronization
• Generates System Reset Output From Schmitt Trigger
Input
• TTL Compatible Inputs/Outputs
• Very Low Power Consumption
• Single 5V Power Supply
• Operating Temperature Ranges
- C82C84A . . . . . . . . . . . . . . . . . . . . . . . . .0oC to +70oC
- I82C84A . . . . . . . . . . . . . . . . . . . . . . . . -40oC to +85oC
- M82C84A . . . . . . . . . . . . . . . . . . . . . . -55oC to +125oC
The Intersil 82C84A is a high performance CMOS Clock Generator-
driver which is designed to service the requirements of both CMOS
and NMOS microprocessors such as the 80C86, 80C88, 8086 and
the 8088. The chip contains a crystal controlled oscillator, a divide-by-
three counter and complete “Ready” synchronization and reset logic.
Static CMOS circuit design permits operation with an external fre-
quency source from DC to 25MHz. Crystal controlled operation to
25MHz is guaranteed with the use of a parallel, fundamental mode
crystal and two small load capacitors.
All inputs (except X1 and RES) are TTL compatible over tempera-
ture and voltage ranges.
Power consumption is a fraction of that of the equivalent bipolar cir-
cuits. This speed-power characteristic of CMOS permits the
designer to custom tailor his system design with respect to power
and/or speed requirements.
Ordering Information
PART
NUMBER
CP82C84A
IP82C84A
CS82C84A
IS82C84A
CD82C84A
ID82C84A
MD82C84A/B
8406801VA
MR82C84A/B
84068012A
TEMP. RANGE
0oC to +70oC
-40oC to +85oC
0oC to +70oC
-40oC to +85oC
0oC to +70oC
-40oC to +85oC
-55oC to +125oC
-55oC to +125oC
PACKAGE
PKG.
NO.
18 Ld PDIP E18.3
E18.3
20 Ld PLCC N20.35
N20.35
18 Ld CERDIP F18.3
F18.3
F18.3
SMD#
F18.3
20 Pad CLCC J20.A
SMD#
J20.A
Pinouts
82C84A (PDIP, CERDIP)
TOP VIEW
CSYNC 1
PCLK 2
AEN1 3
RDY1 4
READY 5
RDY2 6
AEN2 7
CLK 8
GND 9
18 VCC
17 X1
16 X2
15 ASYNC
14 EFI
13 F/C
12 OSC
11 RES
10 RESET
82C84A (PLCC, CLCC)
TOP VIEW
3 2 1 20 19
RDY1 4
READY 5
RDY2 6
AEN2 7
NC 8
18 X2
17 ASYNC
16 EFI
15 F/C
14 NC
9 10 11 12 13
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
4-287
File Number 2974.1

1 page




82C84 pdf
82C84A
Absolute Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +8.0V
Input, Output or I/O Voltage . . . . . . . . . . . GND -0.5V to VCC +0.5V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 1
Operating Conditions
Operating Voltage Range . . . . . . . . . . . . . . . . . . . . . +4.5V to +5.5V
Operating Temperature Range
C82C84A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0oC to +70oC
I82C84A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40oC to +85oC
M82C84A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55oC to +125oC
Thermal Information
Thermal Resistance . . . . . . . . . . . . . . . . θJA (oC/W) θJC (oC/W)
CERDIP Package . . . . . . . . . . . . . . . .
80
20
CLCC Package . . . . . . . . . . . . . . . . . .
95
28
PDIP Package . . . . . . . . . . . . . . . . . . .
85
N/A
PLCC Package . . . . . . . . . . . . . . . . . .
85
N/A
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65oC to +150oC
Max Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . +175oC
Lead Temperature (Soldering 10s) . . . . . . . . . . . . . . . . . . . . +300oC
(PLCC - Lead Tips Only)
Die Characteristics
Gate Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Gates
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
DC Electrical Specifications VCC = +5.0V ±10%,
TA = 0oC to +70oC (C82C84A),
TA = -40oC to +85oC (I82C84A),
TA = -55oC to +125oC (M82C84A)
SYMBOL
PARAMETER
MIN
MAX
UNITS
TEST CONDITIONS
VIH Logical One Input Voltage
2.0 -
2.2
V C82C84A, I82C84
V M82C84A, Notes 1, 2
VIL Logical Zero Input Voltage
VIHR Reset Input High Voltage
VILR Reset Input Low Voltage
VT+ - VT- Reset Input Hysteresis
VOH Logical One Output Current
VOL Logical Zero Output Voltage
II Input Leakage Current
-
VCC -0.8
-
0.2 VCC
VCC -0.4
-
-1.0
0.8
-
0.5
-
-
0.4
1.0
V Notes 1, 2, 3
V
V
-
V IOH = -4.0mA for CLK Output
IOH = -2.5mA for All Others
V IOL = +4.0mA for CLK Output
IOL = +2.5mA for All Others
µA VIN = VCC or GND except ASYNC,
X1: (Note 4)
ICCOP Operating Power Supply Current - 40 mA Crystal Frequency = 25MHz
Outputs Open, Note 5
NOTES:
1. F/C is a strap option and should be held either 0.8V or 2.2V. Does not apply to X1 or X2 pins.
2. Due to test equipment limitations related to noise, the actual tested value may differ from that specified, but the specified limit is
guaranteed.
3. CSYNC pin is tested with VIL 0.8V.
4. ASYNC pin includes an internal 17.5knominal pull-up resistor. For ASYNC input at GND, ASYNC input leakage current = 300µA
nominal, X1 - crystal feedback input.
5. f = 25MHz may be tested using the extrapolated value based on measurements taken at f = 2MHz and f = 10MHz.
Capacitance TA = +25oC
SYMBOL
PARAMETER
TYPICAL
UNITS
TEST CONDITIONS
CIN
COUT
Input Capacitance
Output Capacitance
10 pF FREQ = 1MHz, all measurements are
referenced to device GND
15 pF
4-291

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